package com.zry.springcloud.controller;

import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.zry.springcloud.pojo.Dept;
import com.zry.springcloud.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

// 提供Restful服务
@RestController
public class DeptController {
    @Autowired
    private DeptService deptService;

    @GetMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "hystrixGet")
    public Dept getDeptById(@PathVariable("id") Long id){
        Dept dept = deptService.queryDeptById(id);

        if(dept==null){
            throw new RuntimeException("id=>"+id+"不存在该用户,或者信息无法找到！");
        }

        return dept;
    }

    // 备选方案
    public Dept hystrixGet(@PathVariable("id") Long id){
        return new Dept()
                .setDeptno(id)
                .setDname("id=>"+id+"没有对应的信息,null -->@Hystrix")
                .setDb_source("no this database in MySql");
    }
}
